/Engine/Source/Runtime/AudioMixer/Classes/SubmixEffects/AudioMixerSubmixEffectDynamicsProcessor.h
struct FSubmixEffectDynamicProcessorFilterSettings
uint8:  1
bEnabled
Whether or not filter is enabled.
float
Cutoff
The cutoff frequency of the HPF applied to key signal.
float
GainDb
The gain of the filter shelf applied to the key signal.